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TI-2023-23046 Aliases CVE-2023-43000GHSA-96ff-3rwm-724g

Use after free in Apple macOS

Priority CRITICAL 97Exploited in the wildCWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 14 fixed, 2 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

A use-after-free issue was addressed with improved memory management. This issue is fixed in macOS Ventura 13.5, iOS 16.6 and iPadOS 16.6, Safari 16.6, iOS 15.8.7 and iPadOS 15.8.7. Processing maliciously crafted web content may lead to memory corruption.

Why it matters now

Exploitation Active In CISA KEV since 2026-03-05CISA due date 2026-03-26
EPSS 0.04042 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial macOS (Apple): 13.5iOS and iPadOS (Apple): 16.6, 15.8.7+1 more productRed Hat: 9 advisoriesRed Hat: 14 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Active
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApplemacOSbefore 13.513.5Patch availableCNA
AppleiOS and iPadOSbefore 16.616.6Patch availableCNA
AppleSafaribefore 16.616.6Patch availableCNA
AppleiOS and iPadOSbefore 15.8.715.8.7Patch availableCNA
  • macOS VendorApple Affected before 13.5 Fixed in 13.5 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 16.6 Fixed in 16.6 Patch available CNA
  • Safari VendorApple Affected before 16.6 Fixed in 16.6 Patch available CNA
  • iOS and iPadOS VendorApple Affected before 15.8.7 Fixed in 15.8.7 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*before 16.6VulnerableApple
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*before 15.8.7; 16.0 to before 16.6VulnerableApple
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*before 15.8.7; 16.0 to before 16.6VulnerableApple
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*before 13.5VulnerableApple
  • cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* Versions before 16.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* Versions before 15.8.7; 16.0 to before 16.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* Versions before 15.8.7; 16.0 to before 16.6 Vulnerable ·Apple
  • cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* Versions before 13.5 Vulnerable ·Apple

Remediation

  • Fix · CNA macOS (Apple) Fixed in 13.5
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 16.6
  • Fix · CNA Safari (Apple) Fixed in 16.6
  • Fix · CNA iOS and iPadOS (Apple) Fixed in 15.8.7

Red Hat 9 advisories

  • RHSA-2025:10364 Released 2025-07-07 · Red Hat rating Important
    webkitgtk4 security update
    • Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4-2.48.3-2.el7_9, webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-jsc-2.48.3-2.el7_9 +1
    • Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-devel-2.48.3-2.el7_9, webkitgtk4-doc-2.48.3-2.el7_9, webkitgtk4-jsc-devel-2.48.3-2.el7_9
  • RHSA-2024:9679 Released 2024-11-14 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.4) webkit2gtk3-2.46.3-1.el8_4, webkit2gtk3-devel-2.46.3-1.el8_4, webkit2gtk3-jsc-2.46.3-1.el8_4 +1
    • Red Hat Enterprise Linux AppStream E4S (v.8.4) webkit2gtk3-2.46.3-1.el8_4, webkit2gtk3-devel-2.46.3-1.el8_4, webkit2gtk3-jsc-2.46.3-1.el8_4 +1
    • Red Hat Enterprise Linux AppStream TUS (v.8.4) webkit2gtk3-2.46.3-1.el8_4, webkit2gtk3-devel-2.46.3-1.el8_4, webkit2gtk3-jsc-2.46.3-1.el8_4 +1
  • RHSA-2024:9680 Released 2024-11-14 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v. 8.2) webkit2gtk3-2.46.3-1.el8_2, webkit2gtk3-devel-2.46.3-1.el8_2, webkit2gtk3-jsc-2.46.3-1.el8_2 +1
Show 6 more Red Hat advisories
  • RHSA-2024:9653 Released 2024-11-14 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream AUS (v.8.6) webkit2gtk3-2.46.3-1.el8_6, webkit2gtk3-devel-2.46.3-1.el8_6, webkit2gtk3-jsc-2.46.3-1.el8_6 +1
    • Red Hat Enterprise Linux AppStream E4S (v.8.6) webkit2gtk3-2.46.3-1.el8_6, webkit2gtk3-devel-2.46.3-1.el8_6, webkit2gtk3-jsc-2.46.3-1.el8_6 +1
    • Red Hat Enterprise Linux AppStream TUS (v.8.6) webkit2gtk3-2.46.3-1.el8_6, webkit2gtk3-devel-2.46.3-1.el8_6, webkit2gtk3-jsc-2.46.3-1.el8_6 +1
  • RHSA-2024:9646 Released 2024-11-14 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.8) webkit2gtk3-2.46.3-1.el8_8, webkit2gtk3-devel-2.46.3-1.el8_8, webkit2gtk3-jsc-2.46.3-1.el8_8 +1
  • RHSA-2024:8496 Released 2024-10-28 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream E4S (v.9.0) webkit2gtk3-2.46.1-1.el9_0, webkit2gtk3-devel-2.46.1-1.el9_0, webkit2gtk3-jsc-2.46.1-1.el9_0 +1
  • RHSA-2024:8492 Released 2024-10-28 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) webkit2gtk3-2.46.1-1.el9_2, webkit2gtk3-devel-2.46.1-1.el9_2, webkit2gtk3-jsc-2.46.1-1.el9_2 +1
  • RHSA-2024:2982 Released 2024-05-22 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3-2.42.5-1.el8, webkit2gtk3-devel-2.42.5-1.el8, webkit2gtk3-jsc-2.42.5-1.el8 +1
  • RHSA-2024:2126 Released 2024-04-30 · Red Hat rating Important
    webkit2gtk3 security update
    • Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3-2.42.5-1.el9, webkit2gtk3-devel-2.42.5-1.el9, webkit2gtk3-jsc-2.42.5-1.el9 +1

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2024:2982
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2024:2126
Red Hat Enterprise Linux AppStream AUS (v. 8.2)Fixed RHSA-2024:9680
Red Hat Enterprise Linux AppStream AUS (v.8.4)Fixed RHSA-2024:9679
Red Hat Enterprise Linux AppStream AUS (v.8.6)Fixed RHSA-2024:9653
Red Hat Enterprise Linux AppStream E4S (v.8.4)Fixed RHSA-2024:9679
Red Hat Enterprise Linux AppStream E4S (v.8.6)Fixed RHSA-2024:9653
Red Hat Enterprise Linux AppStream E4S (v.9.0)Fixed RHSA-2024:8496
Red Hat Enterprise Linux AppStream EUS (v.8.8)Fixed RHSA-2024:9646
Red Hat Enterprise Linux AppStream EUS (v.9.2)Fixed RHSA-2024:8492
Red Hat Enterprise Linux AppStream TUS (v.8.4)Fixed RHSA-2024:9679
Red Hat Enterprise Linux AppStream TUS (v.8.6)Fixed RHSA-2024:9653
Red Hat Enterprise Linux Server (v. 7 ELS)Fixed RHSA-2025:10364
Red Hat Enterprise Linux Server Optional (v. 7 ELS)Fixed RHSA-2025:10364

Timeline

  1. 2026-03-05 Added to CISA KEV
  2. 2026-10-02 Threatist record created from CVE-2023-43000
  3. 2026-10-03 Alias added: GHSA-96ff-3rwm-724g
  4. 2026-10-06 EPSS moved to the 90th–95th percentile

References

Exploit 1

Advisory 4

  • TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
  • TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
See all 2382 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences